Sierra On-Line
Sierra Entertainment, Inc. was an American video game developer and publisher founded in 1979 by Ken and Roberta Williams. The company is known for pioneering the graphic adventure game genre, including the first such game, Mystery House. It is known for its graphical adventure game series King's Quest, Space Quest, Police Quest, Gabriel Knight, Leisure Suit Larry, and Quest for Glory, and as the original publisher of Valve's Half-Life series.
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Frequent Collaborators
🎮 Games
Aliens versus Predator 2
publisher
2001
Gabriel Knight 3: Blood of the Sacred, Blood of the Damned
developer
1999
King's Quest VIII: The Mask of Eternity
developer
1998
Quest for Glory V: Dragon Fire
publisher
1998
Lords of Magic
publisher
1997
Diablo: Hellfire
publisher
1997
NASCAR Racing 2
publisher
1996
Leisure Suit Larry: Love for Sail!
developer
1996
Lighthouse: The Dark Being
developer
1996
The Bizarre Adventures of Woodruff and the Schnibble
publisher
1995
The Incredible Machine 3
publisher
1995
Torin's Passage
developer
1995
Police Quest: SWAT
developer
1995
Phantasmagoria
developer
1995
The Beast Within: A Gabriel Knight Mystery
developer
1995
3-D Ultra Pinball
publisher
1995
The Incredible Machine 2
publisher
1994
King's Quest VII: The Princeless Bride
developer
1994
Gabriel Knight: Sins of the Fathers
developer
1993
Quest for Glory: Shadows of Darkness
developer
1993
Betrayal at Krondor
publisher
1993
Freddy Pharkas: Frontier Pharmacist
developer
1993
Police Quest: In Pursuit of the Death Angel
developer
1992
The Dagger of Amon Ra
developer
1992
Gobliins 2: The Prince Buffoon
publisher
1992
The Incredible Machine
publisher
1992
King's Quest VI: Heir Today, Gone Tomorrow
developer
1992
King's Quest VI: Heir Today, Gone Tomorrow
publisher
1992
Quest for Glory III: Wages of War
developer
1992
Quest for Glory I: So You Want to Be a Hero
developer
1992
Heart of China
publisher
1991
EcoQuest: The Search for Cetus
developer
1991
Gobliiins
publisher
1991
Castle of Dr. Brain
developer
1991
The Adventures of Willy Beamish
publisher
1991
Leisure Suit Larry 1: In the Land of the Lounge Lizards
developer
1991
Conquests of the Longbow: The Legend of Robin Hood
developer
1991
Police Quest III: The Kindred
developer
1991
Space Quest I: Roger Wilco in the Sarien Encounter
developer
1991
Space Quest IV: Roger Wilco and the Time Rippers
developer
1991
Quest for Glory II: Trial by Fire
developer
1990
Jones in the Fast Lane
developer
1990
Disney's DuckTales: The Quest for Gold
developer
1990
Rise of the Dragon
publisher
1990
King's Quest V: Absence Makes the Heart Go Yonder!
developer
1990
Red Baron
publisher
1990
Manhunter 2: San Francisco
publisher
1989
Leisure Suit Larry III: Passionate Patti in Pursuit of the Pulsating Pectorals
developer
1989
Hero's Quest: So You Want to Be a Hero
developer
1989
Space Quest III: The Pirates Of Pestulon
developer
1989
The Colonel's Bequest
developer
1989
Manhunter: New York
publisher
1988
Police Quest II: The Vengeance
developer
1988
Leisure Suit Larry 2: Goes Looking for Love (in Several Wrong Places)
developer
1988
King's Quest IV: The Perils of Rosella
developer
1988
Zeliard
publisher
1987
Police Quest: In Pursuit of the Death Angel
developer
1987
Leisure Suit Larry in the Land of the Lounge Lizards
developer
1987
Space Quest: The Sarien Encounter
developer
1986
King's Quest III: To Heir is Human
developer
1986
King's Quest II: Romancing the Throne
developer
1985
King's Quest II: Romancing the Throne
publisher
1985
B.C. II: Grog's Revenge
publisher
1984
King's Quest: Quest for the Crown
developer
1984
King's Quest: Quest for the Crown
publisher
1984
B.C.'s Quest for Tires
publisher
1983
Ultima II: The Revenge of the Enchantress
publisher
1982
Jungle Hunt
publisher
1982
Lunar Leeper
publisher
1981
Ultima
publisher
1981
Mystery House
developer
1980